-
namely the
appearance of a
differentiated first appendage pair (the '
deutocerebral' pair), a
multisegmented head, a hypostome/labrum complex, and by bearing...
-
structure of the head
region such as the
appearance of a
differentiated deutocerebral appendage pair,
which excludes more
basal taxa like
radiodonts and "gilled...
-
their position in the
embryo and
corresponding neurons:
chelicerae are
deutocerebral and
arise from
somite 1,
ahead of the mouth,
while pedipalps are tritocerebral...
- of sea
spiders (Arthropoda, Pycnogonida) are the
appendages of the
deutocerebral segment:
Chelifores of sea spiders".
Evolution & Development. 10 (6):...
-
antennae of onychophoran,
while subsequent evidence also
suggest a
deutocerebral origin (homologous to the jaws of
onychophora and
great appendages/antennae/chelicerae...
- with a
trunk consisting of 13 tergites. The
basal region of the post-
deutocerebral limbs were used in feeding, with the
rhythmic movement of the legs guiding...
- that the
chelicerates arose from
trilobitomorphs through the loss of
deutocerebral antennae (i.e.
first antennae) and
specialization of
tritocerebral appendages...
- hand, a
subsequent study of
radiodont Stanleycaris might suggest a
deutocerebral origin for the
frontal appendage nerves. The
spiny frontal appendages...
-
deutocerebrum and the protocerebrum, and
neuroanatomy of
several classes of
deutocerebral projection neurons in the
brain of male
Periplaneta americana". J. Comp...
-
arose from
ocular somite),
while subsequent studies also
suggest a
deutocerebral origin and
homologous with the
chelicerae of
Chelicerata and the antennae...